Northeastern Apprenticeship and Training (NEAT) 1-6 Practice Test Practice Test

These questions are part of the practice quiz. Start practicing

• What role does a potential tester play in electrical safety?
• What voltage range is common for underground distribution?
• What is the minimum amount of boom leakage current that can leave track burns inside the boom?
• True or False: Adequate ventilation is required for manholes that open into public areas.
• What must be utilized if there is an obstruction or buildup in a duct?
• Where should a cable be pulled to?
• What device is typically used to attach a blow line to pass it through a duct?
• Which type of cable is known for better performance in high-temperature environments?
• Which of the following types of metals is commonly used as a metallic sheath?
• In what scenario is it crucial to use personal protective grounding?
• What is the primary function of manholes in electric utility installations?
• What defines the TT grounding method?
• How deep can excavations be inside of shields?
• Which element is crucial for electrical safety and performance in systems?
• Excavations should be tested for oxygen deficiencies if the levels drop below?
• For effective grounding, what should the spacing of protective grounds be?
• What are the two most common types of underground secondary cables?
• Is the connection in equipotential grounding similar to that in parallel circuits?
• What does the process of fishwiring involve?
• Which of the following should not be used as personal protective grounding wire attachments?
• What property do lead sheaths primarily enhance in electrical applications?
• Who must be notified about the application and removal of lockout or tagout devices?
• Which of the following best describes an equipotential zone?
• What is the most common underground system used for residential distribution?
• What is one of the most important factors in reducing worker fatalities and injuries related to excavations?
• What is the best type of pulling eye for electrical installations?
• What color jacket is used for thermoplastic?
• What is the primary purpose of a ground clamp?
• Ground clamps are selected based on what ASTM standard?
• What type of rope should be used on cable pulls?
• What is the best approach to calculate the pulling tension of a whole run?
• At what sizes do power cables typically use solid conductors?
• Where should the wire feed be set up for a pull?
• What materials are used to seal cables from moisture and moderate physical damage?
• What determines the depth of a conduit duct bank?
• How far should ground rods be driven into the ground for proper installation?
• What is the most common type of fault in electrical systems?
• What aspect of grounding is essential for reducing shock hazards?
• What does the term "neutral" refer to in electrical circuits?
• Which of the following is NOT one of the five types of underground transmission?
• What term is used for a ground on a primary circuit where a positive contact has occurred?
• What is the splice location range on an underground transmission circuit?
• What is the best type of soil for installing a ground rod?
• What does an orange hydraulic hose indicate?
• When should a trench be shored or supported?
• In the event of a loss of hydraulic power, what action should be taken to ensure worker safety?
• Which type of transformer is most commonly used in underground residential distribution installations?
• True or False: The underground riser provides fused protection and an isolating device for the underground cable.
• What is the maximum allowable distance between protective grounds?
• How much of the current returns through the system neutral?
• What is a critical factor when choosing ground clamps for a specific application?
• According to grounding principles, what do protective grounds provide around a worker?
• What is the range of underground distribution voltages?
• What is identified as the most common cause of accidents in electrical work?
• If a run has bends, what is the maximum distance that a conductor can typically be pulled?
• When investigating high-neutral voltage or lightning vulnerability, what is the first step that should be taken?
• What is the maximum leakage current allowed when testing a barehand truck?
• How far should excavated material or work equipment be kept from the trench to prevent overloading and stress cracks?
• If no pole ground is present when setting up protective grounds, what should be done?
• Which type of ground clamp is designed to electrically isolate normally energized conductors?
• What is a common consideration for burying cables underground?
• What is the primary purpose of rodding a duct?
• What does a personal protective ground setup typically consist of?
• How is the ampacity of a cable system primarily determined?
• Where are manholes typically located?
• Which type of ground clamp is designed for installation on permanently grounded conductors or metal structures?
• What should be used if the expected fault current exceeds the rating of a jumper?
• What color jacket is typically used for elastomer?
• When temperature increases, what happens to the earth’s resistivity?
• An off-center valve stem in a truck wheel opening is an indicator of what issue?
• How should a mandrel be sized for the duct it will be used in?
• What is a key advantage of using direct bury installations?
• What method can be used to lower neutral potential?
• Is it true that a 120/240 volt, single-phase, 3-wire system with a grounded neutral is the most popular system for residential services?
• True or False: Primary cables can be buried in the same trench with secondary cables.
• What component is added to cables to increase mechanical strength?
• What device is used to prevent twisting between the pulling rope and the cable?
• Which method is used to pull fish line in 4" and 5" feeder ducts over 300'?
• What is the size range for secondary cables?
• What is a common application for using ground clamps?
• Where is most of the resistance located in a jumper assembly?
• At what voltage does the electric field become strong enough to ionize air?
• What is a way to greatly reduce pulling tension?
• On an insulated aerial device, if equipped, a DC pump is used to power which system?
• Shielded cables can operate at what voltage level?
• What are the four types of stresses to consider in underground installations?
• What is the primary purpose of using a Test Mandrel?
• Ducts that terminate in a manhole should have what component at their end?
• After cleaning wire with a brush, how long until it is no longer in effect?
• What phenomenon is caused by differences in potential between copper and steel in soil?
• What is the purpose of a lockout/tagout procedure?
• What is the primary responsibility of employers regarding lockout/tagout procedures?
• Which of the following are common types of voltage detectors?
• What is the normal distance between manholes for electric utilities?
• Which factors dictate the type of cable insulation used?
• What is the primary concern when using secondary cables in underground applications?
• Where must load capacities and instructions related to aerial device operations be kept?
• True or False: The type of terrain affects the number of customers served by a pad-mounted transformer.
• What device is used to allow cable to make a 90-degree turn smoothly with low friction?
• How frequently must an employer inspect and document the company energy control procedure?
• When developing lockout/tagout procedures, what is an essential element?
• In what scenario would manholes be found at street intersections?
• What is the function of a jumper bar in a grounding system?
• True or False: The depth of a trench is greater than the width, but the width of a trench is less than 15 feet.
• What is the typical length of transmission lines?
• In a lockout/tagout procedure, who typically has the authority to install the lock?
• How many subjects should be covered during a job briefing?
• What does the term "swinging ground" refer to?
• Which of the following are the 6 types of underground distribution systems?
• Strand shielding in cables is made from which type of materials?
• What is the purpose of an Isolation Guarantee?
• What type of utilities are likely to use handholes?
• What term is used to describe stones expelled from between a truck tire and the pavement?
• What type of cable pattern is generally used on multiconductor cables?
• What is the most popular system variation of the radical URD system?
• What are the two main types of underground systems?
• What is the maximum distance staples can be placed on a down ground?
• What is the minimum size for protective grounds?
• What type of insulation material would you expect in cables designed for high voltage applications?
• What is the primary purpose of a lead sheath?
• At what voltage must switchgear serve as an isolation point for work on a circuit?
• Why is it important to consider back tension when pulling cable?
• What is considered the most important factor in maintaining the integrity of a trench?
• What is the general rule for sloping trenches?
• What should be done once maintenance work has been completed and before starting equipment?
• In the context of underground distribution, what does URD stand for?
• What structural component is crucial for protecting junctions in urban cable installations?
• What factor could limit the depth of a trench used for cable installation?
• Under continuous current conditions greater than specified values, how long does it take for cable jackets to melt?
• What is the maximum allowable bend for the installation of heavy conductors used by electric utilities?
• Which of the following is NOT a type of stress to consider in underground installations?
• What is the maximum voltage that a neutral potential should not exceed?
• What material is commonly used for ducts running from manhole to manhole?
• What phenomenon can lead to dangerous conditions in an electrical system?
• What is the maximum temperature for hydraulic oil?
• In a delta circuit, where should trucks be grounded?
• What is the typical use of armors in electrical cables?
• What is a major advantage of a Network System?
• What phenomenon is induced by a change in a magnetic field?
• What is the police "10" code that means "OK"?
• What is the acceptable travel measurement for slack adjusters on a bucket truck's air brakes?
• What is the term for anything located on the ground in the area of excavation that may create a hazard?
• How deep are ducts usually buried below final grade for regular installations?
• What color typically indicates the presence of an underground electrical utility line?
• What provides mechanical protection to the cable and can act as a current return path?
• What type of soil should conduit routes avoid going through?
• What is the continuous current carrying capacity for copper cables that are 1/0?
• If you are uncertain which regulation applies to lockout/tagout, what should you do?
• Which of the following statements regarding unstable soil in conduit routes is correct?
• Cables are typically run along the street in front of homes in which type of installation?
• What material is commonly used for manhole covers?
• What is the primary function of a quadrant block in cable installations?
• What is an important characteristic of thermoplastic jackets?
• What is considered an essential aspect of safety when dealing with electricity?
• What should you maintain during radio communication to ensure clarity?
• What is the most versatile tool used in pulling underground cables?
• In terms of duct work, what is a common use for a wire brush mandrel?
• What causes static charge according to the principles of induced voltages?
• What are the two main principles when grounding a line?
• What tool should a Qualified Electrical Worker use to check that isolation is complete before installing protective grounds?
• How is the performance of a duct bank affected when there are bends in the conductor's run?
• What type of cable pattern creates a small diameter, high current carrying capacity conductor?
• What is a method to create a smooth conducting surface on a conductor?
• True or False: An electrical system can deliver power under normal conditions without good grounding.
• What must lockout/tagout programs include procedures for?
• What type of terminations are commonly used when terminating cables in switching cubicles and transformer enclosures?
• What are the key factors in deciding the arrangement of various parts of an underground system?
• Grounding is connected from transformer tanks and metal-clad equipment to earth to reduce what?
• Which ANSI standard governs the manufacturing and testing of insulated aerial devices?
• What is the purpose of sizing a mandrel to be 1/2" smaller than the duct?
• What material are ferrules typically made of?
• How are cables typically installed in areas where street and lawn disruption must be avoided?
• According to ASTM standards, what is the recommended ferrule type?
• Under what condition can the voltage on a neutral become very high?
• The police "10" code for "repeat" is?
• Which types of cables use concentric round, compact round, and annular designs?
• What does the police "10" code 10 - 18 indicate?
• What is a common indication of hydraulic fluid contamination?
• What are the three categories of hazards associated with excavations?
• Which of the following does NOT determine the type of insulation used for cables?
• How far should conduit spacers be placed prior to pouring concrete?
• What is a common reason for installing handholes in a utility system?
• What can stranded conductors in larger power cables allow for besides flexibility?
• What is the maximum anticipated fault current values given for protective ground cables, ferrules, and clamps?
• At what depth should trenches start being tested for atmospheric conditions?
• What structures are typically used to house bulky items such as large transformers and network protective devices?
• What portion of the current that returns through the system neutral goes to ground?
• What is the primary purpose of grounding a system?
• Cable with impregnated-paper insulation typically has what kind of sheath?
• Which of the following is crucial for ensuring worker safety in electrical environments?
• What is typically used to provide a secure termination for conduit ducts ending in manholes?
• Which factor is crucial for determining cable suitability for specific applications?
• Which type of underground transmission uses gas insulation?
• True or False: Handholes are limited to one-conductor cables.
• What is a key requirement for good radio operating procedures?
• Which task does the Steel tape fishing method assist with?
• The presence of which element can enhance galvanic action when aluminum conductors are used?
• In terms of electric cables, what is the role of insulation shielding?
• What is the typical warmup procedure for a hydraulic system?
• What thickness can modern-day precast manholes have?
• What can cause damage to aluminum conductors when in contact with other metals in the presence of water?
• How are radios utilized effectively to pull cable?
• What size cables are pulling eyes typically used on?
• What should exposed conductive guards or conduits containing supply conductors always be?
• Which of the following describes a condition where grounding reduces electrical hazard?
• When is it acceptable to use a wire mesh grip for pulling cable?
• To enhance communication effectiveness, how should messages be conveyed during radio operation?
• How do utilities generally utilize handholes?
• Why should a clearance (isolation guarantee) not be granted at a predetermined time?
• What is the maximum speed a cable should be pulled?
• True or False: It is not important to identify and tag a cable as soon as it is pulled in.
• What does the police "10" code 10 - 20 signify?
• What type of ground clamp is designed for quick installation on a range of conductors?
• What condition could lead to a partial vacuum in a hydraulic pump?
• What is the main purpose of a metallic sheath in a cable?
• Which of the following is NOT a characteristic of manhole covers?
• In electrical grounding, what does "Equipotential Zone" refer to?
• How many mils are in 0.001 inches?
• In a well-balanced 3 phase circuit, where does the return flow occur?
• In the context of lockout/tagout procedures, what does "tagout" refer to?
• What is the purpose of strung bare ground wire over underground cables?
• True or False: A lock can be installed in conjunction with a Hold Card.
• What is a manhole called where both transmission and distribution ducts terminate?
• What does the TN grounding method refer to?
• What is the minimum opening width required for a manhole?
• The abbreviation "PVC" stands for what chemical compound?
• What pressure should hydraulic hoses be rated at for PSI?
• If parking on a roadway is required, which side of the road should you park on?
• What is the most common cause of hydraulic pump failure?
• Is it true that a person using a mobile station requires a license?
• Where are handholes primarily utilized?
• What maximum line voltage can oil- or gas-filled cables handle for underground transmission conductors?
• Which type of protective layer is used to shield cables from severe physical damage?
• How can you identify a load break elbow?
• True or False: Most existing underground transmission lines use welded steel pipe for conduit.
• Which scenario exemplifies an improper lockout/tagout practice?
• Which police code might indicate someone is reporting their location?
• Which of the following does not typically describe duct systems?
• What is the formula used to determine pull tension?
• When an energized circuit neutral is cut or opened, what can the voltage across the open point be?
• What term describes a conductor with a high current carrying capacity and low AC resistance?
• What should the ground resistance be kept below with a driven ground rod?
• What is the largest size and configuration of ducts required to dissipate an even amount of heat?
• When excavating near energized lines, how far should digging be done by hand or a vacuum truck?
• What is a common reason for measuring ground resistance?
• What is the maximum distance allowed between manholes?
• What does the OSHA Standard 29 CFR 1910 cover?
• Power cables use stranded conductors at which sizes?
• How many types of ground clamps typically exist?
• Which is a major hazard that can occur in trench excavations?
• What type of sheath does varnished-cambric insulated cable typically have?
• What percentage of fault current typically flows to an overhead ground wire?
• What is a key factor in the success of lockout/tagout procedures?
• Which condition is a result of improper grounding techniques?
• What happens to the neutral potential when additional grounding is installed?
• What aspect of underground system design does installation costs influence?
• How is a faulted cable typically handled in network restorations?
• What is the unique design of the ground clamp ideal for substations, switchgear, and industrial applications?
• When selecting the depth for a conduit installation, which factor is NOT considered?
• What characterizes a Radial System in underground distribution?
• Who is authorized to release a clearance?
• What is the primary concern when excavating a trench in wet conditions?
• What is the primary function of a manhole in a utility system?
• What is required for equipment that operates at high voltages during maintenance?
• What is the primary purpose of a Hold (Danger) card during procedures?
• Under continuous current conditions greater than specified values, how long does it take for the copper in a cable to fuse?
• What type of ground is characterized by poor contact or high resistance?
• When inspecting connections in a jumper assembly, what is crucial to check?
• What is the primary purpose of a pad-mounted transformer?
• How long can PVC lengths typically be across different sizes?
• Which of these materials is typically not used in cable insulation?
• How long does it typically take for wire insulation to degrade at elevated temperatures?
• Which installation type is commonly used when running cables in residential areas?
• What types of induction do protective grounds help protect against?
• How far from the surface should red tape be placed to warn anyone digging of energized cables?
• Which code do you use to indicate a status of "negative" in police communication?
• What method is recommended for pulls that are 100 feet or smaller?
• What voltage can unshielded cables operate up to?
• What does milky colored hydraulic fluid indicate?
• According to bonding principles, how must bonds be installed for the safety of workers?
• What equipment is used to prevent damage to the cable on the manhole frame?
• Which type of insulation factor involves environmental conditions?
• What is the continuous current carrying capacity for copper cables that are 4/0?
• True or False: A cable to ferrule interface joint should be limited to a solder joint.
• What should always be the first and last connection made when grounding?
• What must be attached to each switch involved in a clearance procedure?
• What factor heavily influences the insulation choice for power cables in outdoor environments?
• Which material is used in cables to provide mechanical strength?
• Back tension for the first section is derived from which source?
• When should grounded neutral systems be utilized in residential services?
• What is the function of a Dual Radial System?
• What is considered the most technical part of underground installations?
• True or False: When extending the outriggers, they should extend at least three to four inches after contacting the ground, and the chassis tires should unload noticeably.
• What is the main cause of line to ground faults?
• What material is typically used in a counterpoise grounding system?
• Which of the following is a safety measure taken with induction-related hazards?
• What additional feature can improve the effectiveness of grounding clamps?
• How does a Loop Radial System differ from a standard Radial System?
• What type of feed enhances faulted cable isolation and service restoration in underground systems?
• What can be installed to help trace an underground circuit or gather stray current?
• Which entity is responsible for issuing licenses for the use of two-way radios?
• Is it true that if there is dirt in the conduit, more lubrication can compensate for the dirt?
• What does (T f) in the pulling formula represent?
• What is the primary goal of bonding in electrical safety?
• What factor determines the size and shape of a manhole?
• What should an effective lockout/tagout procedure include?
• What are the two types of cable jacket types?
• What are grounding clamps generally made from?
• What alternative name is sometimes used for ducts in transmission lines?
• True or False: Larger power cables use stranded conductors, making them more flexible.
• What is often a requirement for residential underground distribution systems?
• A worker should not travel more than how far to reach egress from an excavation?
• True or False: Insulation shielding needs to be grounded for safety.
• Which installation is characterized by circuits being supplied directly from an overhead source?
• What must be visible in isolation points for work over 750 volts?
• What should employers ensure about their employees' training related to lockout/tagout procedures?
• What is the maximum allowable bend per section with PVC without needing to add curved sections?
• What device can help to efficiently manage the bending of cables during installation?
• Which of the following are types of mandrels?
• What is one of the five factors dictating cable insulation type?
• What is a key feature of the Primary Loop System?
• How should water be managed when using a blower or vacuum during duct work?
• What is the protocol for using ladders in trench excavations?
• What should be considered when selecting personal protective equipment for trench work?
• What does a heavy or dead ground indicate in a circuit?
• How thick is the concrete envelope that typically surrounds an encased duct?
• Which of the following protects cables from weather conditions?
• What should be done to cables after they have been pulled?
• Why do conductor clamps need to be equipped with serrations on their jaws?
• Which of the following are the three most common materials used for power cable insulation?
• What is the maximum current level that should flow through a worker to ensure safety?
• When testing a boom on an energized circuit, how long should the testing intervals be?
• Which of the following is the most common secondary conductor?
• What can be installed to prevent damage to conductors while pulling?
• True or False: Copper is favored over aluminum for its higher conductivity and flexibility.
• What type of pulling gear would be best suited for installations under high tension?
• Which of the following could potentially lead to safety hazards under lockout/tagout conditions?
• Is it true that national walkie-talkie services offer advantages over licensed radios?
• For trench excavations, a means of exit and entry must be provided for trenches how deep?
• What characterizes the IT grounding method?
• True or False: Voltage, current, and ambient temperature are three factors used to determine the type of cable insulation needed for a specific use.
• Why is crushed rock used around equipment?
• What factor can affect the lifespan of cable jackets other than current?
• Which of the following represents a common cause of lockout/tagout failures?
• Underground distribution circuits are most often supplied from what type of circuit?
• What is the purpose of a feeding tube in cable installations?
• What is the insulation value typically required for grounds?
• Which of the following options helps prevent injury during maintenance of electrical equipment?
• Which of the following is true regarding lockout/tagout procedures?
• On low voltage wye systems, what is the proper grounding location for a truck?